Enameling kilns are small tabletop kilns used for glaze testing or decorating jewelry, glass, metal, or pottery. Enameling is the application of a hard and glossy decorative or protective coating, usually translucent glass, that fuses with its substrate when fired in an enameling kiln. Enamel is a highly pigmented form of low temperature glaze. Enamels which works at a low temperature. Enamels are also made into paints made from finely ground glass and pigments that can be used to add color. Then they are fired on to the glass or metals.